I have, because way back when they allowed the over door hooks, we found it really helpful. Now that its magnetic only, I'm not so enamored. You're limited to things like hair brushes and sunscreen since they are lighter weight. And for me, I find there was enough room using the little dresser by the closet.
If you do take one, remove the hooks at home because it will delay your luggage arrival.
There are usually hooks that you could possibly hang up an hanging organizer (a flat one with compartments that uses a hanger). I know I've used one in the past. I also like to use the suction cup hooks in the bathroom to hang things.
I have one with a hanger type holder (not the over the door things) that I hang on the hook that is built into the stateroom wall. You can see it in this picture.
If you are handy, you can also finagle one that comes with the hooks, with an actual hanger to hang on the wall hook. My DH did that before we found the above hanger one, but after they banned them. It's not pretty, but it worked.
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